|
|
Post by BLT on May 20, 2004 19:15:36 GMT -8
As some of you have read, I recently got some "H" valves so I could run my Aquamaster DA and a modern reg at the same time. I know this isn't totally cool, but I am one of those wimps that likes to have a pressure gage and my drysuit for the 50 degree waters of Puget Sound. My problem lies with the H valve I bought. It is too wide to fit inside the yoke of my DA, so I figured I would just swap out the yokes with a newer wider one. I was just out trying this, but was unable to loosen the nut holding the yoke on. The only wrench I have that is big enough to fit the nut is an adjustable and by the time I put it around the yoke it only contacts half the nut. Being brass, I figure it will just round off the corners of the nut. I don't want to use a pipe wrench on it if I don't have to, so my next great idea is to bring it to work and clamp the nut in a vice and try to turn the body of the reg. Does that sound reasonable, or is there a better way, for that matter, should I copyright that idea so no one else can use it?  I am open to any ideas whether they are bright or not... Thanks, BLT |
|
|
|
Post by SeaRat on May 20, 2004 21:14:09 GMT -8
Removing the nut (which also holds the HP seat mechanism) without the special tool to do so could cause some problems. If it is on tight, then the only way is by holding the top box, which can be deformed by the amount of pressure used. It would be better to send it to Dan, or someone with the special tools used to provide maintenance for the DA Aquamaster. You can see those tools in the PDF file I provided elsewhere on this site; the one you need is a flat piece of metal with special cutouts that allows the Aquamaster body to sit in the holes, and be held tightly. If you know someone, they can probably make one, but I would not try it without the tools.
But I caution you, if you take that nut off, is would be difficult to replace without tearing the regulator completely down and rebuilding it. There is a pin that goes from the HP diaphragm on the other side, through a hole, and through a hole in the HP seat (with is in that nut--technically the name is not a "nut," but a "high pressure nozzle, #1000-21."
Taking it off can do a great deal of harm to the regulator when it is put back on. So you need to know how to do this, and what tools to use. It would be better to send it to Dan for this job.
John
|
|
|
|
Post by Bryan on May 21, 2004 5:55:09 GMT -8
You will have a challenge finding another yoke that will work with a DA body. There is a recessed cutout on the bottom of the DA yoke and a raised lip on the body section. I have never been able to find a later model yoke that will work on the DA series of regulators. If anyone knows one that will work, please let us know !
You need a specialized socket to do a good job of removing the nozzle assembly. The socket is very short so it can fit in the yoke assembly and still get a flat bar over the top of it to fit in and remove the socket.
Tom Madere has done a real nice job of making such a socket for this procedure.... I don't know if he still has any or not ??
When you remove the nozzle assembly be very careful as the phenolic gasket that seats between the body and the nozzle assmebly is very easy to deform or crack. When you re-assemble the unit be sure and check your IP pressure as anytime you remove the nozzle assmebly there is a chance that it could change.
Good luck on your project!
|
|
|
|
Post by BLT on May 21, 2004 8:09:48 GMT -8
Arrgh!  You guys sure know how to rain on my parade! I thought it was going to be a simple wham, bam, thank you maam type job once I got the nut, um excuse me, high pressure nozzle(#1000-21) loose. I guess its time for a little more investigation  |
|
|
|
Post by SeaRat on May 21, 2004 9:16:18 GMT -8
blt,
Check with Dan, because I think the yolks for the Conshelf series will also fit the Aquamaster. I believe he has made this transfer before.
John
|
|
|
|
Post by John Lundy on May 21, 2004 13:04:44 GMT -8
BLT,
As SeaRat stated, the yokes of the Conshelf regulators will indeed fit the Aqua Master. Dan put one on the Royal Aqua Master I bought from him.
John
|
|
|
|
Post by Bryan on May 21, 2004 15:11:12 GMT -8
John, can you post a picture of that yoke ? I'd like to see how that was done.....
|
|
|
|
Post by John Lundy on May 21, 2004 17:32:12 GMT -8
Bryan,
If you send me your email address I will get a photo to you. There is a photo of my Aqua Master on another thread here, but it doesn't show the yoke. My email is
jlundy46@comcast.net.
John
|
|
|
|
Post by admin on May 21, 2004 20:21:36 GMT -8
I did modify some yokes for the purpose of upgrading the Royals for use with 3000 psi. The yokes I used were from USD bottle gauges, and I had them turned on a lathe to the proper specifications to fit the two hose regulators. The only reason I used the bottle gauge yokes is because they were available, but I believe that Conshelf XII-XIV yokes will fit without any modification. But I don't think these yokes are any wider than the original ones? And so they wouldn't fit over a wider tank valve.
|
|
|
|
Post by jamiep3 on May 22, 2004 4:13:56 GMT -8
Dan,
I've got three tanks with convertible Din/Yoke valves in them(thermo I think). My Conshelf 14 yoke fits them fine. My Aquamaster also fits, but mine is a late model (70-72).
|
|
|
|
Post by caveman on May 22, 2004 13:31:51 GMT -8
LIke I said before, I have tried three different double hose regs on several different convertable din/yoke valves. of the 232 bar type and they all fit. I think it is the brand of valve you bought. I personally would change the valve before I would change my regs.
caveman
|
|
|
|
Post by BLT on May 22, 2004 18:00:50 GMT -8
LIke I said before, I have tried three different double hose regs on several different convertable din/yoke valves. of the 232 bar type and they all fit. I think it is the brand of valve you bought. I personally would change the valve before I would change my regs. caveman Caveman, I've pretty much figured it was the brand of valve. I was under the ASSumption (note the emphasis, describing me, since I hadn't done my homework ;D ) that the yoke was a quickie type fix. Just loosen the nut, slap a different yoke on there and put the nut back on and jump in the water. Since several people here have kindly informed me of the errors in my thinking, I will have to re-evaluate my options. Anyone want to buy a DA cheap? (Just kidding! It's not for sale) |
|
|
|
Post by caveman on May 23, 2004 13:07:11 GMT -8
I have also bought lots of technical gear just to find that it did hot fit my plan as hoped. Want to buy a garage and trailor full of dry suits, back plates etc......LOL caveman
|
|
